| 摘要 |
A liquid crystal display having a liquid crystal display panel having a plurality of liquid crystal cells, and a back light that irradiates the liquid crystal display panel with irradiation light. The back light includes a light source, and a light guide plate having one side arranged adjacent the light source and having a planar surface with a plurality of small concaves. The planar surface is almost parallel to a liquid crystal cell face, and a plane shape of the small concaves is almost rectangular.
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